28474335

素因数分解:

$3^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 51470496

約数和(自身を除く): 22996161

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 167, 405, 421, 501, 835, 1263, 1503, 2105, 2505, 3789, 4509, 6315, 7515, 11367, 13527, 18945, 22545, 34101, 56835, 67635, 70307, 170505, 210921, 351535, 632763, 1054605, 1898289, 3163815, 5694867, 9491445, 28474335]

約数ペア:

[(1, 28474335), (3, 9491445), (5, 5694867), (9, 3163815), (15, 1898289), (27, 1054605), (45, 632763), (81, 351535), (135, 210921), (167, 170505), (405, 70307), (421, 67635), (501, 56835), (835, 34101), (1263, 22545), (1503, 18945), (2105, 13527), (2505, 11367), (3789, 7515), (4509, 6315)]